CN108603698A - Mixing air processor cooling unit with double mode heat exchanger - Google Patents
Mixing air processor cooling unit with double mode heat exchanger Download PDFInfo
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- CN108603698A CN108603698A CN201780010082.XA CN201780010082A CN108603698A CN 108603698 A CN108603698 A CN 108603698A CN 201780010082 A CN201780010082 A CN 201780010082A CN 108603698 A CN108603698 A CN 108603698A
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B6/00—Compression machines, plants or systems, with several condenser circuits
- F25B6/02—Compression machines, plants or systems, with several condenser circuits arranged in parallel
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F11/00—Control or safety arrangements
- F24F11/70—Control systems characterised by their outputs; Constructional details thereof
- F24F11/72—Control systems characterised by their outputs; Constructional details thereof for controlling the supply of treated air, e.g. its pressure
- F24F11/79—Control systems characterised by their outputs; Constructional details thereof for controlling the supply of treated air, e.g. its pressure for controlling the direction of the supplied air
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F13/00—Details common to, or for air-conditioning, air-humidification, ventilation or use of air currents for screening
- F24F13/08—Air-flow control members, e.g. louvres, grilles, flaps or guide plates
- F24F13/10—Air-flow control members, e.g. louvres, grilles, flaps or guide plates movable, e.g. dampers
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F3/00—Air-conditioning systems in which conditioned primary air is supplied from one or more central stations to distributing units in the rooms or spaces where it may receive secondary treatment; Apparatus specially designed for such systems
- F24F3/044—Systems in which all treatment is given in the central station, i.e. all-air systems
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B2313/00—Compression machines, plants or systems with reversible cycle not otherwise provided for
- F25B2313/001—Compression machines, plants or systems with reversible cycle not otherwise provided for with two or more accumulators
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B2400/00—General features or devices for refrigeration machines, plants or systems, combined heating and refrigeration systems or heat-pump systems, i.e. not limited to a particular subgroup of F25B
- F25B2400/04—Refrigeration circuit bypassing means
- F25B2400/0401—Refrigeration circuit bypassing means for the compressor
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B2400/00—General features or devices for refrigeration machines, plants or systems, combined heating and refrigeration systems or heat-pump systems, i.e. not limited to a particular subgroup of F25B
- F25B2400/06—Several compression cycles arranged in parallel
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B2400/00—General features or devices for refrigeration machines, plants or systems, combined heating and refrigeration systems or heat-pump systems, i.e. not limited to a particular subgroup of F25B
- F25B2400/16—Receivers
- F25B2400/161—Receivers arranged in parallel
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B2600/00—Control issues
- F25B2600/25—Control of valves
- F25B2600/2507—Flow-diverting valves
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B2600/00—Control issues
- F25B2600/25—Control of valves
- F25B2600/2515—Flow valves
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B41/00—Fluid-circulation arrangements
- F25B41/20—Disposition of valves, e.g. of on-off valves or flow control valves
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Other Air-Conditioning Systems (AREA)
- Compression-Type Refrigeration Machines With Reversible Cycles (AREA)
Abstract
Mixing air processor cooling unit (100) has double mode heat exchanger (102).In direct expansion pattern or pump refrigerant save mode, double mode heat exchanger (102) is located in the refrigerant path in parallel with the first condenser coil (164) and the second condenser coil (206) and is used as condenser coil.In mixed direct expansion/pump refrigerant save mode, double mode heat exchanger (102), which is located at, to be connected in the refrigerant path between the outlet of pump (180) and the entrance (204) of the first condenser coil (164) and is used as precooler evaporator coil, wherein, returning air (266) first flows through the evaporator coil (192) that double mode heat exchanger then passes through evaporator (114).
Description
Cross reference to related applications
This application claims the S. Utility application No.15/403 submitted on January 11st, 2017,792 priority,
And it is required that in the equity of the 8 days 2 months U.S. Provisional Application No.62/292,469 submitted in 2016.That applies above is all public
Content is opened to be incorporated herein by reference.
Technical field
This disclosure relates to the air treatment system for heating system, ventilating system and air-conditioning (" HVAC ") system, and
Cooling unit is handled more particularly, to a kind of mixing air with double mode heat exchanger.
Background technology
This part provides the background informations for being related to the disclosure, are not necessarily the prior art.
Air processor or air-treatment cooling unit adjust air as a part for HVAC system and air are made to follow
Ring.Air processor cooling unit is the indoor section of HVAC system.Air processor cooling unit generally include air blower (or
Fan), the component of evaporator and ventilating system.Under some cases that HVAC system has indoor condenser, condenser includes
In air processor cooling unit.
Invention content
It is not to the comprehensive of the full scope of the disclosure or all features this part provides the overview of the disclosure
It is open.
According to the one side of the disclosure, mixing air processor cooling unit has refrigerant circuit.The refrigerant circuit
Condenser, pump, expansion valve with compressor, with the first condenser coil and the second condenser coil, with evaporator plate
The evaporator and double mode heat exchanger of pipe.The mixing air processor cooling unit has direct expansion pattern, directly swollen
In swollen pattern, compressor operating, pump is closed, and refrigerant circuit has only direct-expansion-type refrigerant flowpath, wherein
Double mode heat exchanger is in parallel with the first condenser coil and the second condenser coil.Refrigerant flows through parallel from compressor
First condenser coil and the second condenser coil and double mode heat exchanger, wherein double mode heat exchanger is used as condensation
Device coil pipe.In the direct expansion pattern, refrigerant is then from the first condenser coil and the second condenser coil and bimodulus
Formula heat exchanger flows through expansion valve and flows through evaporator coil from expansion valve and flow to compression from evaporator coil
Machine.In the direct expansion pattern, mixing air processor cooling unit has returning air flow path, in returning air stream
In dynamic path, returning air flows through evaporator coil but does not flow through double mode heat exchanger.Mixing air processor cooling unit
Also there is pump refrigerant save mode, in pump refrigerant save mode, compressor is closed, pump operation, and refrigerant
Circuit has only pump refrigerant saving type refrigerant flowpath, wherein double mode heat exchanger and the first condenser coil
With the parallel connection of the second condenser coil.In the pump refrigerant save mode, refrigerant flows through evaporator coil simultaneously from pump
The valve around compressor is flowed through from evaporator coil and flows through the first condenser coil and second parallel from compressor
Condenser coil and double mode heat exchanger --- wherein, double mode heat exchanger is used as condenser coil --- and be back to
Pump.In the pump refrigerant save mode, mixing air processor cooling unit has returning air flow path, is returning
In inlet air flow path, returning air flows through evaporator coil but does not flow through double mode heat exchanger.Mixing air processor is cold
But unit also has mixed direct expansion/pump refrigerant save mode, in mixed direct expansion/pump refrigerant saving
In pattern, compressor and pump are run, and refrigerant circuit has mixed direct-expansion-type refrigerant flowpath and mixes
The pump refrigerant saving type refrigerant flowpath of conjunction, mixed direct-expansion-type refrigerant flowpath and mixed pumping
Refrigerant saving type refrigerant flowpath is independent flow path, wherein is in pump refrigerant saving type refrigerant stream
Double mode heat exchanger in dynamic path is in the outlet of pump and connect between the entrance of the second condenser coil and as precooling
Device evaporator coil.In direct expansion/pump refrigerant save mode of the mixing, refrigerant is along mixed pump refrigerant
Saving type refrigerant flowpath flows through double mode heat exchanger from pump and flows through second from double mode heat exchanger
Condenser coil is simultaneously back to pump, and refrigerant is logical from compressor flowing along mixed direct-expansion-type refrigerant flowpath
It crosses the first condenser coil and flows through expansion valve from the first condenser coil and flow through evaporator coil from expansion valve
And flow to compressor from evaporator coil.In direct expansion/pump refrigerant save mode of the mixing, at mixing air
Managing device unit also has returning air flow path, and in returning air flow path, returning air first flows through double mode heat
Exchanger then passes through evaporator coil.
On the one hand, refrigerant circuit has compressor, the first condenser coil and the second condenser coil, pump, evaporation
Multiple flow control valves that device and double mode heat exchanger are coupled to each other, wherein flow control valve is controlled by controller, controller
It is configured to switch flow control valve between following flow regimes：When mixing air processor cooling unit is in direct expansion mould
The flow regime that only direct-expansion-type refrigerant flowpath is provided when formula, when mixing air processor cooling unit is in pumping
The flow regime of only pump refrigerant formula refrigerant flowpath is provided when refrigerant save mode, and when mixing air is handled
Device unit provides mixed direct-expansion-type refrigerant flowing road when being in mixed direct expansion/pump refrigerant save mode
The flow regime of diameter and mixed pump refrigerant saving type flow path.
On the one hand, mixing air processor cooling unit includes the multiple dampers controlled by controller, and controller is also matched
It is set to when mixing air processor cooling unit is in the direct swollen of direct expansion pattern, pump refrigerant save mode and mixing
Damper is opened and closed when arbitrary patterns in swollen/pump refrigerant save mode to provide returning air flow path.
On the one hand, refrigerant circuit includes the first receiver and second receiver, wherein when mixing air processor unit
When in mixed direct expansion/pump refrigerant save mode, flow control valve switches to that pump refrigerant will be in
The first receiver coupled in series in saving type refrigerant flowpath the outlet of the second condenser coil and pump entrance it
Between and the second receiver in direct-expansion-type refrigerant flowpath is connected in the outlet of the first condenser coil
Flow regime between the entrance of evaporator coil.When mixing air processor cooling unit is in direct expansion pattern,
Flow control valve switches to the second receiver being in only direct-expansion-type refrigerant flowpath being connected in bimodulus
Stream between the outlet of formula heat exchanger and the first condenser coil and the second condenser coil and the entrance of evaporator coil
Dynamic state.When mixing air processor cooling unit is in pump refrigerant save mode, flow control valve switch to
By the second receiver coupled in series in only pump refrigerant saving type refrigerant flowpath in double mode heat exchanger
And first condenser coil and the second condenser coil outlet and the entrance of pump between flow regime.
On the one hand, mixing air processor cooling unit has second refrigerant circuit, which has
Second compressor, the second condenser with the first condenser coil and the second condenser coil, the second pump, the second expansion valve,
The second evaporator with evaporator coil and the second double mode heat exchanger.In this aspect, when mixing air processor unit
When in direct expansion pattern, second refrigerant circuit has the second only direct-expansion-type refrigerant flowpath, and second is only straight
Expansion type refrigerant flowpath and the first refrigerant circuit are connect when mixing air processor unit is in direct expansion pattern
Only direct-expansion-type refrigerant flowpath it is suitable, when mixing air processor unit is in pump refrigerant save mode
When, second refrigerant circuit has the second only pump refrigerant saving type refrigerant flowpath, the second only pump refrigerant section
About formula refrigerant flowpath is in pump refrigerant save mode with the first refrigerant circuit in mixing air processor unit
When only pump refrigerant saving type refrigerant flowpath it is suitable, and when mixing air processor unit be in mixing it is straight
When connecing expansion/pump refrigerant save mode, second refrigerant circuit has the direct-expansion-type refrigerant flowing of the second mixing
The pump refrigerant saving type refrigerant flowpath in path and the second mixing, the direct-expansion-type refrigerant flowing of the second mixing
The pump refrigerant saving type refrigerant flowpath of path and the second mixing is direct swollen with the mixing of the first refrigerant circuit
Expanding refrigerant flowpath and mixed pump refrigerant saving type refrigerant flowpath are suitable.In addition, the first refrigerant
The evaporator in circuit and the evaporator in second refrigerant circuit are arranged so as to be in straight when mixing air processor cooling unit
When connecing expansion mechanism or pump refrigerant save mode, returning air flows through these evaporators, and the first system in a serial fashion
The double mode heat exchanger of refrigerant circuit and the double mode heat exchanger assignment in second refrigerant circuit are to work as mixing air
When processor cooling unit is in mixed direct expansion/pump refrigerant save mode, returning air flows through in a serial fashion
Then these double mode heat exchangers flow through evaporator and the second refrigerant circuit of the first refrigerant circuit in a serial fashion
Evaporator.
According to description presented herein, other suitable application areas will be apparent.Description in the content of present invention and tool
It purpose that body example is merely to illustrate and is not intended to limit the scope of the present disclosure.
Description of the drawings
The purpose that attached drawing described herein is only used for the explanation of selected embodiment is not all possible embodiment party
Case, and be not intended to limit the scope of the present disclosure.
Fig. 1 is the mixing air processor cooling unit with double mode heat exchanger according to the one side of the disclosure
The rough schematic view of topological structure；
Fig. 2 is that the mixing air processor cooling unit of Fig. 1 is in the rough schematic view of direct expansion pattern；
Fig. 3 is that the mixing air processor cooling unit of Fig. 1 is in the rough schematic view of pump refrigerant save mode；
Fig. 4 is that the mixing air processor unit of Fig. 1 is in the letter of mixed direct expansion/pump refrigerant save mode
Change schematic diagram；
Fig. 5 A and Fig. 5 B are to show for the direct swollen of direct expansion pattern, pump refrigerant save mode and mixing
The flow regime of the flow control valve of the mixing air processor cooling unit of Fig. 1 of swollen/pump refrigerant save mode and resistance
The state table of the position of Buddhist nun's device；And
Fig. 6 is cold according to the mixing air processor with multiple comparable refrigerant circuits of the one side of the disclosure
But the rough schematic view of unit, wherein each refrigerant circuit has double mode heat exchanger.
Through several views of attached drawing, corresponding reference numeral indicates corresponding component.
Specific implementation mode
Illustrative embodiments are described more fully with now with reference to attached drawing.
According to the one side of the disclosure, mixing air processor cooling unit has refrigerant circuit, the refrigerant circuit
Mould is cooled down with direct expansion refrigerating mode, pump refrigerant refrigerating mode and hybrid direct expansion pattern/pump refrigerant
Formula.Refrigerant circuit includes compressor, pump, evaporator and double mode heat exchanger and multiple flow control valves, the double mode
Heat exchanger is operating as evaporator or condenser, the multiple stream according to the operation mode of mixing air processor cooling unit
Dynamic control valve makes these components be coupled to each other and is switched over by controller, which is configured in flowing state of a control
Between switch over to provide different operation modes.Mixing air processor cooling unit further includes damper, in difference
Operation mode in provide inlet air flow path.
Fig. 1 is the mixing with the refrigerant circuit 101 for including double mode heat exchanger 102 according to the one side of the disclosure
Close the rough schematic view of air processor cooling unit 100.Other than double mode heat exchanger 102, refrigerant circuit 101 is also
Including：Compressor 104, condenser 106, receiver 108,110, pump 112, evaporator 114, controller 116, flow control valve
118,120,122,124,126,128,130,132,134,136,138 and the expansion valve 140 that is arranged in cabinet 142.One side
Face, these flow control valves are electrical ball valve, but it is to be understood that these flow control valves can be other kinds of controllable
Valve, such as solenoid valve.Mixing air processor cooling unit 100 further include the damper 144 being arranged in cabinet 142,146,
148,150,152, as described in more detail below, in some cases, damper 144,146,148,150,152 is arranged in
In the wall of cabinet 142.As described in more detail below, mixing air processor cooling unit 100 further includes being arranged in cabinet
Condenser in evaporator air flow rate increment device 154 in opening in 142 wall and the opening being arranged in the wall of cabinet 142 is empty
Gas flow rate increment device 156.Air mover 154,156 is illustratively fan or air blower.The outlet 158 fluid connection of compressor 104
It is connected to the ingress port 160 of flow control valve 118 and is fluidly coupled to entering for the first condenser coil 164 of condenser 106
Mouth 162.The outlet port 166 of flow control valve 118 is fluidly coupled to the ingress port 168 and fluid of flow control valve 120
It is attached to first entrance/outlet 170 of double mode heat exchanger 102.Second entrance/outlet 172 of double mode heat exchanger 102
It is fluidly coupled to the ingress port 174 of flow control valve 134 and is fluidly coupled to the outlet port 176 of flow control valve 138.
As described in more detail below, refrigerant can flow through double mode heat exchanger in either direction, this depends on mixing
Operation mode residing for air processor cooling unit 100 and depending on the direction of refrigerant flowing, 170 He of inlet/outlet
Inlet/outlet 172 provides entrance or the outlet of double mode heat exchanger 102.
The ingress port 178 of flow control valve 138 is fluidly coupled to the outlet 180 of pump 112 and is fluidly coupled to flow
The ingress port 182 of control valve 136.The outlet port 184 of flow control valve 136 is attached to the ingress port 186 of expansion valve 140
And the outlet port 188 of expansion valve 140 is attached to the entrance 190 of the evaporator coil 192 of evaporator 114.Evaporator coil
192 outlet 194 is fluidly coupled to the entrance 196 of compressor 104.Entrance 196 and compression of the check-valves 198 in compressor 104
It is fluidly coupled to around compressor 104 between the outlet 158 of machine 104.
The outlet port 200 of flow control valve 120 is fluidly coupled to the inlet/outlet port of dual flow control valve 122
202 and be fluidly coupled to condenser 106 the second condenser coil 206 entrance 204.The of dual flow control valve 122
Two inlet/outlet ports 208 are attached to the inlet/outlet 170 of double mode heat exchanger 102.
The outlet 208 of first condenser coil 164 is fluidly coupled to the first entrance 210 of second receiver 110.Second is cold
The outlet 212 of condenser coils 206 is fluidly coupled to the ingress port 214 of flow control valve 124 and is fluidly coupled to flowing control
The ingress port 216 of valve 126 processed.The outlet port 218 of flow control valve 124 is attached to the entrance 220 of the first receiver 108.
The outlet port 222 of flow control valve 126 is fluidly coupled to the second entrance 224 of second receiver 110.Second receiver 110
Outlet 226 be fluidly coupled to the ingress port 228 of flow control valve 128 and be fluidly coupled to entering for flow control valve 132
Mouth port 230.The outlet port 232 of flow control valve 128 is fluidly coupled to the entrance 234 of pump 112.First receiver 108
Outlet 236 is fluidly coupled to the ingress port 238 of flow control valve 130 and 240 fluid of outlet port of flow control valve 130
It is attached to the entrance 234 of pump 112.
The outlet port 242 of flow control valve 132 is fluidly coupled to the ingress port 186 of expansion valve 140.Flow control valve
134 outlet port 244 is fluidly coupled to the third entrance 246 of second receiver 110.
Mixing air processor cooling unit 100 includes direct expansion pattern, pump refrigerant save mode and mixing
Direct expansion/pump refrigerant save mode, in the direct expansion pattern, refrigerant circuit 101 has by the arrow in Fig. 2
Only direct-expansion-type refrigerant flowpath 248 shown in 250, in the pump refrigerant save mode, refrigerant circuit 101
With by the only pump refrigerant saving type refrigerant flowpath 252 shown in the arrow 254 in Fig. 3, in the direct of the mixing
In expansion/pump refrigerant save mode, refrigerant circuit 101 has mixed direct-expansion-type refrigerant flowpath 256
With pump refrigerant saving type refrigerant flowpath 258, mixed direct-expansion-type refrigerant flowpath 256 and pumping are made
Cryogen saving type refrigerant flowpath 258 is independent flow path and is shown respectively by the arrow 260,262 in Fig. 4.
In direct expansion pattern, mixing air processor cooling unit 100 has by the returning air stream shown in the arrow 266 in Fig. 2
Move path 264 and by the flow of external air path 268 shown in the arrow 270 in Fig. 2.In pump refrigerant save mode,
Mixing air processor cooling unit have by shown in the arrow 274 in Fig. 3 returning air flow path 272 and by Fig. 3
Arrow 278 shown in flow of external air path 276.In mixed direct expansion/pump refrigerant save mode, mixing
Air processor cooling unit have by shown in the arrow 282 in Fig. 4 returning air flow path 280 and by the arrow in Fig. 4
Flow of external air path 284 shown in first 286.
Flow control valve 118,120,122,124,126,128,130,132,134,136,138 and compressor 104, condensation
The first condenser coil 164 and the second condenser coil 206 of device 106,192 phase of evaporator coil of pump 112, evaporator 114
It is mutually coupled with and is controlled by controller 116, which is configured to switch these flowing controls between following flow regimes
Valve：The offer only direct-expansion-type refrigerant flowpath when mixing air processor cooling unit is in direct expansion pattern
Flow regime provides only pump refrigerant formula system when mixing air processor cooling unit is in pump refrigerant save mode
The flow regime of refrigerant flow path, and when mixing air processor unit is in mixed direct expansion/pump refrigerant
Mixed direct-expansion-type refrigerant flowpath and mixed pump refrigerant saving type flow path are provided when save mode
Flow regime.146,148,150 one side of damper is electric-power damper, is also controlled by controller 116, controller 116
It is configured to open and closing damper 146,148,150 is respectively at direct expansion mould to work as mixing air processor cooling unit
Returning air is provided when formula, pump refrigerant save mode and mixed direct expansion/pump refrigerant save mode and flows road
Diameter 264,268,272.Damper 144,152 one side are electric-power damper, are also controlled by controller 116, controller 116 is also matched
It is set to opening and closes damper 144,152 and be respectively at direct expansion pattern, pump to work as mixing air processor cooling unit
There is provided when sending refrigerant save mode or mixed direct expansion/pump refrigerant save mode flow of external air path 268,
276 and 284.
Fig. 5 A and Fig. 5 B are to show for the direct swollen of direct expansion pattern, pump refrigerant save mode and mixing
The state table of the flow regime of the flow control valve of swollen/pump refrigerant save mode and the position of damper.Controller 116 is matched
Being equipped with logic appropriate, mixing air processor cooling unit 100 is in direct expansion pattern, pump refrigerant saves mould to work as
By flow control valve and Damper Control in Fig. 5 A and figure when formula or mixed direct expansion/pump refrigerant save mode
State described in the state table of 5B and position.It should be understood that when the flow regime of instruction flow control valve in Fig. 5 A is
When opening, it is meant that flow control valve is opened, to allow fluid to flow through flow control valve, and when instruction flowing control
To mean that flow control valve is closed when closing, to prevent fluid from flowing through flow control valve.Similarly, when Fig. 5 B middle fingers
Show that damper is to mean that air can flow through damper when opening, and mean to hinder when indicating that damper is to close
Only air flows through damper.
With reference to Fig. 2, when mixing air processor cooling unit 100 is in direct expansion pattern, only direct-expansion-type system
Refrigerant flow path 248 has pair in parallel with the first condenser coil 164 of condenser 106 and the second condenser coil 206
Pattern heat exchanger 102.Compressor 104 runs and pumps 112 closings.Refrigerant flows to cold from the outlet of compressor 104 158
The entrance 162 of first condenser coil 164 of condenser 106 flows to double mode heat exchanger 102 by flow control valve 118
Inlet/outlet 170, flowed to by flow control valve 120 condenser 106 the second condenser coil 206 entrance 204.
Then, refrigerant flows through the first condenser coil 164 and the second condenser coil 206 and double mode heat exchanger parallel
102, then from the outlet 212 of the second condenser coil 206 flow through flow control valve 126 and by second receiver 110
Entrance 224 flow into second receiver 110 in, refrigerant passes through second receiver from the outlet 208 of the first condenser coil 164
110 entrance 210 is flowed into second receiver 110 and is flowed through from the inlet/outlet of double mode heat exchanger 102 172
Dynamic control valve 134 is simultaneously flowed by the entrance of second receiver 110 246 in second receiver 110.Then, refrigerant is from second
The outlet 226 of receiver 110 flows to the evaporator coil 192 of evaporator 114 by flow control valve 132 and expansion valve 140
Entrance 190 then flow through evaporator coil 192 and flow to compressor 104 from the outlet of evaporator coil 192 194
Entrance 196.Returning air is by flowing through the evaporator coil 192 of evaporator 114 along returning air flow path 264 but not flowing through
Double mode heat exchanger 102 and be cooled.Externally inlet air flow path 268 flows through the first cold of condenser 106 to extraneous air
Condenser coils 164 and the second condenser coil 206 and double mode heat exchanger 102 is flowed through with to the first condenser coil 164
It is cooled down with the second condenser coil 206 and double mode heat exchanger 102.Although Fig. 2 shows extraneous airs externally
Inlet air flow path 268 serially flows through the first condenser coil 164 and the second condenser coil 206 it should be appreciated that
First condenser coil 164 and the second condenser coil 206 may be disposed so that extraneous air flows through the first condenser parallel
Coil pipe 164 and the second condenser coil 206.
When mixing air processor cooling unit 100 is in direct expansion pattern, double mode heat exchanger is used as condensation
Device coil pipe, to increase main condenser coil surface area.In illustrated embodiment, mixing air processor cooling unit
Effectively there are three condenser coils for tool when in direct expansion pattern.By increasing main condenser coil surface area, mixing
Air processor cooling unit can be operated under the lower condensing pressure with lower power consumption with direct expansion pattern.
With reference to Fig. 3, when mixing air processor cooling unit 100 is in pump refrigerant save mode, only pumping is made
Cryogen saving type refrigerant flowpath 252 has and the first condenser coil 164 of condenser 106 and the second condenser coil
206 double mode heat exchangers 102 in parallel.Compressor 104 closes and pumps 112 operations.Refrigerant from pump 112 outlet 180
The entrance 190 that the evaporator coil 192 of evaporator 114 is flowed to by flow control valve 136 and expansion valve 140, then flows
The valve 198 around compressor 104 is flowed through by evaporator coil 192 and from the outlet of evaporator coil 192 194.It should
Understand, in only pump refrigerant formula refrigerant flowpath 252, the opening completely of expansion valve 140 (or partially open to protect
Hold pressure head) and refrigerant flow through expansion valve 140 or bypass expansion valve 140, such as by around expansion valve 140
Bypass valve (not shown).Then, refrigerant flowed to from valve 198 first condenser coil 164 of condenser 106 entrance 162,
The inlet/outlet 170 of double mode heat exchanger 102 is flowed to by flow control valve 118 and by flow control valve 120
Flow to the entrance 204 of the second condenser coil 206 of condenser 106.Then, refrigerant flows through the first condenser parallel
Coil pipe 164 and the second condenser coil 206 and double mode heat exchanger 102, then from the outlet of the second condenser coil 206
212 flow through flow control valve 126 and are flowed into second receiver 110 by the entrance of second receiver 110 224, refrigeration
Agent is flowed into second receiver 110 simultaneously from the outlet 208 of the first condenser coil 164 by the entrance 210 of second receiver 110
And from the inlet/outlet of double mode heat exchanger 102 172 flow through flow control valve 134 and by second receiver 110
Entrance 246 flows into second receiver 110.Then, refrigerant passes through flow control valve from the outlet of second receiver 110 226
128 flow to the entrance 234 of pump 112.Returning air is by flowing through the evaporation of evaporator 114 along returning air flow path 272
It device coil pipe 192 but does not flow through double mode heat exchanger 102 and is cooled.Externally inlet air flow path 276 flows through extraneous air
The first condenser coil 164 and the second condenser coil 206 of condenser 106 and double mode heat exchanger 102 is flowed through with right
First condenser coil 164 and the second condenser coil 206 and double mode heat exchanger 102 are cooled down.It should be understood that
It is that returning air flow path 264 and returning air flow path 272 are identical as flow of external air path 268,276.
When mixing air processor cooling unit 100 is in pump refrigerant save mode, double mode heat exchanger
As condenser coil, to increase main condenser coil surface area.By increasing main condenser coil surface area, mixing is empty
Treatment apparatus cooling unit can carry out pumping operation (full pump operation) entirely under higher outdoor temperature.Also
It is to say, mixing air processor cooling unit 100 can need the direct expansion/pump refrigerant for being switched to mixing to save mould
It is run with pump refrigerant save mode under higher outdoor temperature before formula or direct expansion pattern.
With reference to Fig. 4, when mixing air processor cooling unit 100 is in mixed direct expansion/pump refrigerant saving
When pattern, compressor 104 and pump 112 are run.Double mode heat exchanger is in the outlet 180 of pump 112 and double mode heat exchanger
It connects between 102 inlet/outlet 172, and double mode heat exchanger is used as precooler evaporator coil.Refrigerant is along mixed
The pump refrigerant saving type refrigerant flowpath of conjunction from pump 112 outlet 180 then by flow control valve 138, then
The second condenser coil 206 of condenser 106 is flowed to by double mode heat exchanger 102 and then by flow control valve 122
Entrance 204, then from the outlet 212 of the second condenser coil 206 flow through flow control valve 124 and by first receive
The entrance 220 of device 108 flows into the first receiver 108.Then, the outlet 236 from first that refrigerant passes through the first receiver 108
Receiver 108 flows out and flows to the entrance 234 of pump 112 by flow control valve 130.
When mixing air processor cooling unit 100 is in mixed direct expansion/pump refrigerant save mode, system
Cryogen also flows through condenser along mixed direct-expansion-type refrigerant flowpath 256 from the outlet of compressor 104 158
106 the first condenser coil 164 and then the entering by second receiver 110 of outlet 208 from the first condenser coil 164
Mouth 210 flows into second receivers 110.Then, refrigerant flows out second receiver by the outlet 226 of second receiver 110
110 and flowed to by flow control valve 132 and expansion valve 140 evaporator 114 evaporator coil 192 entrance 190.So
Afterwards, refrigerant flows through evaporator coil 192 and flows out to the entrance of compressor 104 from the outlet of evaporator coil 192 194
196。
When mixing air processor cooling unit 100 is in mixed direct expansion/pump refrigerant save mode, return
The gas that makes the return trip empty then passes through evaporator coil 192 by first flowing through double mode heat exchanger 102 along returning air flow path 280
And it is cooled.Therefore, evaporator coil 192 is flowed through so that before further cool down, returning air passes through double in returning air
Pattern heat exchanger 102 is precooled.This is provided the advantage that：It is less than the feelings of returning air temperature in outside air temperature
Under condition, mixed pump refrigerant saving type refrigerant flowpath can be used and freely be cooled down.Especially for 40 °F to 70 °
Outdoor temperature range between F, this allows more free cooling times.It is directly to make freely to cool down as known in the art
Cooling is provided with the temperature difference between returning air temperature and outdoor temperature.Extraneous air is along as shown in arrow 286
The first condenser coil 164 and the second condenser coil 206 are flowed through with to the first condenser coil in flow of external air path 284
164 and second condenser coil 206 cooled down.Although Fig. 4 shows extraneous air, externally inlet air flow path 284 is serial
Flow through the first condenser coil 164 and the second condenser coil 206 it should be appreciated that 164 He of the first condenser coil
Second condenser coil 206 may be disposed so that extraneous air flows through the first condenser coil 164 and the second condenser parallel
Coil pipe 206.
It should be understood that air processor can have the multiple refrigerant circuits 101 being located in cabinet 142.Fig. 6 is
The simplification of this air processor 600 of two refrigerant circuits with refrigerant circuit 101A and refrigerant circuit 101B is shown
It is intended to.Refrigerant circuit 101A and refrigerant circuit 101B respectively have with above by reference to refrigerant circuit 101 description those of
The comparable component of component, wherein the component for refrigerant circuit 101A has suffix A after applicable reference numeral, and
And there is suffix B after applicable reference numeral for the component of refrigerant circuit 101B.For the schematic diagram of simplification figure 6,
Illustrated only in Fig. 6 the double mode heat exchanger 102A of refrigerant circuit 101A, compressor 104A, condenser 106A, pump 112A,
The double mode heat exchanger 102B of expansion valve 140A and evaporator 114A and refrigerant circuit 101B, compressor 104B, condensation
Device 106B, pump 112B, expansion valve 140B and evaporator 114B.
Mixing air processor unit 600 has the direct of direct expansion pattern, pump refrigerant save mode and mixing
Expansion/pump refrigerant save mode, wherein refrigerant circuit 101A, 101B respectively have the above-mentioned system for these patterns
Refrigerant flow path.That is, when mixing air processor cooling unit 600 is in direct expansion pattern, refrigerant returns
Road 101A and refrigerant circuit 101B respectively has corresponding only direct-expansion-type refrigerant flowpath 248.Work as mixing air
When processor cooling unit 600 is in pump refrigerant save mode, refrigerant circuit 101A and refrigerant circuit 101B are respectively
With corresponding only pump refrigerant saving type refrigerant flowpath 252.When mixing air processor cooling unit 600 is in
When mixed direct expansion/pump refrigerant save mode, refrigerant circuit 101A and refrigerant circuit 101B respectively have pair
The direct-expansion-type refrigerant flowpath 256 and pump refrigerant saving type flow path 258 for the mixing answered.In this aspect,
Therefore the refrigerant flowpath of each of refrigerant circuit 101A, 101B are suitable.
In air processor cooling unit 600, evaporator 114A and evaporator 114B are arranged in cabinet 142 so that returning
The gas that makes the return trip empty flows through evaporator 114A and evaporator 114B in a serial fashion, first flows through evaporator 114A and then flows through
Evaporator 114B.Double mode heat exchanger 102A and double mode heat exchanger 102B is arranged in cabinet 142 so that at air
When managing device cooling unit 600 in mixed direct expansion/pump refrigerant save mode, returning air flows in a serial fashion
By double mode heat exchanger 102A and double mode heat exchanger 102B, it is serial flow through evaporator 114A and evaporator 114B it
Before first flow through double mode heat exchanger 102A and then flow through double mode heat exchanger 102B.When air processor is cold
But when unit 600 is in direct expansion pattern or pump refrigerant save mode, extraneous air flows through double mode in a serial fashion
Heat exchanger 102A, 102B first flow through double mode heat exchanger 102B and then flow through the friendship of double mode heat exchanger
Parallel operation 102A.It should be understood that air processor cooling unit 600 there can be damper (not shown), work as air-treatment
When device cooling unit 600 is in direct expansion pattern or pump refrigerant save mode, damper will guide extraneous air parallel
Flow through double mode heat exchanger 102A, 102B.Extraneous air by with above with respect to identical in a manner of described in condenser 106
Mode flows through condenser 106A, 106B.
It should be understood that controller 116 can be with to the logic of the aforementioned control of mixing air processor cooling unit 100
Illustratively realized with the combination of hardware logic, software logic or hardware logic and software logic.In this respect, controller
116 can be or may include utilize realize the above method software be programmed digital signal processor (DSP), microprocessor
Any one of device, microcontroller or other programmable devices.It should be understood that alternatively, controller 116 is or wraps
Include other logical device, such as field programmable gate array (FPGA), complicated programmable logic device (CPLD) or special collection
At circuit (ASIC).When stating that controller 116 executes function or is configured to execute function, it should be appreciated that controller 116
It is configured to execute function using logic appropriate (such as in software, logical device or combinations thereof).
Term used herein is only used for the purpose of description specific exemplary embodiments, is not intended to restricted
's.As used herein, unless the context is clearly specified, otherwise singulative " one ", "one" and "the" can also
It is intended to include plural form.The terms "include", "comprise", " including " and " having " are inclusive, and therefore specify institute
The presence of the feature, entirety, step, operations, elements, and/or components of statement, but do not preclude the presence or addition of one or more
Other features, entirety, step, operation, component, assembly unit and/or a combination thereof.Except the sequence for being non-specifically identified as execution, otherwise originally
Method and step, process and operation described in text are not necessarily to be construed as necessarily requiring it particular order to discuss or illustrate
It executes.It is to be further understood that other steps or alternative steps can be used.
When element or layer be referred to as " ... on ", " being bonded to ", " being connected to " or " being attached to " another element or another
Layer when, the element or layer can directly exist ... go up, be spliced directly to, be connected directly to or be attached directly to other elements or its
His layer, or there may be the layers of element or centre between.On the contrary, when element is referred to as " on directly existing ... ", " directly
Be bonded to ", " being connected directly to " or " being attached directly to " another element or at another layer, member between may be not present
Part or the layer of centre.Other words for describing the relationship between element should explain in a similar way (for example,
" ... between " and " between directly existing ... ", " adjoining " and " abutting directly against " etc.).As used herein, term
"and/or" includes any and all combinations of one or more relevant Listed Items in relevant Listed Items.
Although can be described herein using term first, second, third, etc. various component, assembly units, region, layer and/
Or part, but these component, assembly units, regions, layers, and/or portions should not be limited by these terms.These terms may be only
For being distinguished to a component, assembly unit, region, layer or part and another region, layer or part.Unless being understood by context
Ground indicates, otherwise term used herein such as " first ", " second " and whens other numerical value terms do not imply that sequence or sequence.
Therefore, in the case where not departing from the teaching of illustrative embodiments, first element discussed below, the first component, first
Region, first layer or first part can be referred to as second element, second component, second area, the second layer or second part.
For the purpose of illustration and description, there has been provided the foregoing description of embodiment.It is not intended to exhaustive or right
The disclosure is limited.The each element or feature of particular implementation is typically not limited to the particular implementation, but suitable
In the case of, even if being not shown or described in detail, each element or feature of particular implementation is also that can exchange
And it can be used in selected embodiment.It can also equally be changed in many ways.It is this change should not by regarding
To be detached from the disclosure, and all this modifications are intended to be included in the scope of the present disclosure.
Claims (5)
1. a kind of mixing air processor cooling unit, including：
Refrigerant circuit, the refrigerant circuit is with compressor, with the first condenser coil and the second condenser coil
Condenser, pump, expansion valve, the evaporator with evaporator coil and double mode heat exchanger；
The mixing air processor cooling unit has direct expansion pattern, in the direct expansion pattern, the compression
Machine is run, and the pump is closed, and the refrigerant circuit has only direct-expansion-type refrigerant flowpath, wherein described
Double mode heat exchanger is in parallel with first condenser coil and second condenser coil, and refrigerant is from the pressure
Contracting machine flows through first condenser coil and second condenser coil and the double mode heat exchanger parallel,
Wherein, the double mode heat exchanger is used as condenser coil, and the refrigerant is from first condenser coil and described the
Two condenser coils and the double mode heat exchanger flow through the expansion valve and are flowed to from the expansion valve described
Compressor, and the mixing air processor cooling unit has returning air flow path, is flowed in the returning air
In path, returning air flows through the evaporator coil but does not flow through the double mode heat exchanger；
The mixing air processor cooling unit has pump refrigerant save mode, in the pump refrigerant save mode
In, the compressor is closed, the pump operation, and the refrigerant circuit has only pump refrigerant saving type refrigerant stream
Dynamic path, wherein the double mode heat exchanger is in parallel with first condenser coil and second condenser coil, and
And refrigerant flows through the evaporator coil from the pump and flows through the compressor week from the evaporator coil
The valve that encloses simultaneously flows through first condenser coil and second condenser coil and institute parallel from the compressor
It states double mode heat exchanger and is back to the pump, wherein the double mode heat exchanger is used as condenser coil, and described
Mixing air processor cooling unit has returning air flow path, in the returning air flow path, returning air
It flows through the evaporator coil but does not flow through the double mode heat exchanger；And
The mixing air processor cooling unit has mixed direct expansion/pump refrigerant save mode, described mixed
In the direct expansion of conjunction/pump refrigerant save mode, the compressor and the pump are run, and the refrigerant circuit
It is described with mixed direct-expansion-type refrigerant flowpath and mixed pump refrigerant saving type refrigerant flowpath
The pump refrigerant saving type refrigerant flowpath of mixed direct-expansion-type refrigerant flowpath and the mixing is only
Vertical flow path, wherein the double mode heat exchange in the pump refrigerant saving type refrigerant flowpath
Device the outlet of the pump with connect between the entrance of second condenser coil and as precooler evaporator coil,
In, refrigerant flows through the double mode along the pump refrigerant saving type refrigerant flowpath of the mixing from the pump
Heat exchanger simultaneously flows through second condenser coil from the double mode heat exchanger and is back to the pump, and makes
Cryogen flows through first condenser pan along the direct-expansion-type refrigerant flowpath of the mixing from the compressor
First condenser coil described in Guan Bingcong flows through the expansion valve and flows to the compressor from the expansion valve, and
The mixing air processor unit also has returning air flow path, in the returning air flow path, returns empty
Gas first flows through the double mode heat exchanger and then passes through the evaporator coil.
2. mixing air processor cooling unit according to claim 1, wherein the refrigerant circuit includes multiple streams
Dynamic control valve, the multiple flow control valve is by the compressor, first condenser coil and second condenser pan
Pipe, the pump, the evaporator and the double mode heat exchanger are coupled to each other, wherein the flow control valve is by controller
Control, the controller are configured to switch the flow control valve between following flow regimes：When mixing air processing
The only flow regime of direct-expansion-type refrigerant flowpath described in being provided when device cooling unit is in the direct expansion pattern；
Only pump refrigerant described in being provided when the mixing air processor cooling unit is in the pump refrigerant save mode
The flow regime of formula refrigerant flowpath；And when the mixing air processor unit is in the direct swollen of the mixing
The pumping of the direct-expansion-type refrigerant flowpath and the mixing of the mixing is provided when swollen/pump refrigerant save mode
The flow regime of refrigerant saving type flow path.
3. mixing air processor cooling unit according to claim 2 includes the multiple resistances controlled by the controller
Buddhist nun's device, the controller are configured to be in the direct expansion pattern, described when the mixing air processor cooling unit
Opened when arbitrary patterns in the direct expansion of pump refrigerant save mode and the mixing/pump refrigerant save mode and
The damper is closed to provide the returning air flow path.
4. mixing air processor cooling unit according to claim 2, wherein the refrigerant circuit connects including first
Receive device and second receiver, wherein when the mixing air processor unit is in direct expansion/pumped refrigerant of the mixing
When agent save mode, flow control valve switches to be in the pump refrigerant saving type refrigerant flowpath
The first receiver coupled in series is between the outlet of second condenser coil and the entrance of the pump and will be in
The second receiver in the direct-expansion-type refrigerant flowpath is connected in the outlet of first condenser coil
Flow regime between the entrance of the evaporator coil, when the mixing air processor cooling unit is in described direct
When expansion mechanism, the flow control valve switches to the institute will be in the only direct-expansion-type refrigerant flowpath
It states second receiver and is connected in the double mode heat exchanger and first condenser coil and second condenser pan
Flow regime between the outlet of pipe and the entrance of the evaporator coil, and work as the mixing air processor cooling unit
When in the pump refrigerant save mode, the flow control valve switches to that only pump refrigerant saving type will be in
The second receiver coupled in series in refrigerant flowpath is in the double mode heat exchanger and first condensation
Flow regime between device coil pipe and the outlet and the entrance of the pump of second condenser coil.
5. mixing air processor cooling unit according to claim 1, including second refrigerant circuit, second system
Second condenser of the refrigerant circuit with the second compressor, with the first condenser coil and the second condenser coil, the second pump,
Second expansion valve, the second evaporator with evaporator coil and the second double mode heat exchanger；
When the mixing air processor unit is in the direct expansion pattern, the second refrigerant circuit has second
Only direct-expansion-type refrigerant flowpath, the described second only direct-expansion-type refrigerant flowpath and first refrigerant
Circuit when the mixing air processor unit is in the direct expansion pattern described in only direct-expansion-type refrigerant stream
Dynamic path is suitable, when the mixing air processor unit is in the pump refrigerant save mode, second refrigeration
There is the second only pump refrigerant saving type refrigerant flowpath, the described second only pump refrigerant saving type to freeze in agent circuit
Agent flow path is in the pump refrigerant saving with first refrigerant circuit in the mixing air processor unit
Only pump refrigerant saving type refrigerant flowpath when pattern is suitable, and when the mixing air processor unit is in
When the direct expansion of the mixing/pump refrigerant save mode, the second refrigerant circuit has the direct of the second mixing
The pump refrigerant saving type refrigerant flowpath of expansion type refrigerant flowpath and the second mixing, second mixing
Direct-expansion-type refrigerant flowpath and it is described second mixing pump refrigerant saving type refrigerant flowpath with it is described
The direct-expansion-type refrigerant flowpath of the mixing of first refrigerant circuit and the pump refrigerant saving of the mixing
Formula refrigerant flowpath is suitable；And
The evaporator of first refrigerant circuit and the evaporator in the second refrigerant circuit are arranged so that when described mixed
Air processor cooling unit is closed when being in the direct expansion pattern or the pump refrigerant save mode, returning air with
Serial mode flows through these evaporators, and the double mode heat exchanger of first refrigerant circuit and the second refrigerant
The double mode heat exchanger assignment in circuit is to be in the direct of the mixing when the mixing air processor cooling unit
When expansion/pump refrigerant save mode, returning air flows through these double mode heat exchangers then with serial in a serial fashion
Mode flows through the evaporator of the evaporator and the second refrigerant circuit of first refrigerant circuit.
Applications Claiming Priority (5)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US201662292469P | 2016-02-08 | 2016-02-08 | |
| US62/292,469 | 2016-02-08 | ||
| US15/403,792 US10119730B2 (en) | 2016-02-08 | 2017-01-11 | Hybrid air handler cooling unit with bi-modal heat exchanger |
| US15/403,792 | 2017-01-11 | ||
| PCT/US2017/013882 WO2017139072A1 (en) | 2016-02-08 | 2017-01-18 | Hybrid air handler cooling unit with bi-modal heat exchanger |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108603698A true CN108603698A (en) | 2018-09-28 |
| CN108603698B CN108603698B (en) | 2020-03-20 |
Family
ID=59496235
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201780010082.XA Active CN108603698B (en) | 2016-02-08 | 2017-01-18 | Hybrid air handler cooling unit |
Country Status (4)
| Country | Link |
|---|---|
| US (1) | US10119730B2 (en) |
| EP (1) | EP3417214A1 (en) |
| CN (1) | CN108603698B (en) |
| WO (1) | WO2017139072A1 (en) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CA2973023A1 (en) * | 2016-07-12 | 2018-01-12 | Basx Solutions, Llc | Hybrid dry air cooling system |
| US20190351740A1 (en) * | 2018-05-18 | 2019-11-21 | Nio Usa, Inc. | Use of an inside condenser to maximize total thermal system performance |
| CN110278691B (en) * | 2019-07-01 | 2020-03-31 | 北京航空航天大学 | Pump-driven two-phase loop heat dissipation system for high-power-density cabinet |
| US11262112B2 (en) | 2019-12-02 | 2022-03-01 | Johnson Controls Technology Company | Condenser coil arrangement |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20090229285A1 (en) * | 2008-03-13 | 2009-09-17 | Aisin Seiki Kabushiki Kaisha | Air conditioning system and accumulator thereof |
| CN101918776A (en) * | 2006-12-27 | 2010-12-15 | 开利公司 | Methods and systems for controlling an air conditioning system operating in free cooling mode |
| CN102252371A (en) * | 2010-05-21 | 2011-11-23 | 力博特公司 | Computer room air conditioner with pre-cooler |
| CN103609206A (en) * | 2011-04-19 | 2014-02-26 | 力博特公司 | High efficiency cooling system |
| CN104813108A (en) * | 2012-10-05 | 2015-07-29 | 力博特公司 | Load estimator for control of vapor compression cooling system with pumped refrigerant economization |
Family Cites Families (48)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3078689A (en) * | 1963-02-26 | japhet | ||
| US2318893A (en) * | 1939-11-22 | 1943-05-11 | Gen Motors Corp | Refrigerating apparatus |
| US2474304A (en) * | 1946-01-28 | 1949-06-28 | Drayer Hanson | Reversible cycle heat pump |
| US2530681A (en) * | 1947-11-18 | 1950-11-21 | Drayer Hanson Inc | Reversible cycle system |
| US2982523A (en) * | 1956-01-24 | 1961-05-02 | Alden I Mcfarlan | Air conditioning system |
| US2894375A (en) * | 1956-02-14 | 1959-07-14 | Buensod Stacey Inc | Air conditioning and heat pump system |
| US2907178A (en) * | 1957-10-04 | 1959-10-06 | Borg Warner | Air conditioning systems |
| US2893218A (en) * | 1958-02-21 | 1959-07-07 | Borg Warner | Air conditioning systems |
| US3358469A (en) * | 1965-08-24 | 1967-12-19 | Lester K Quick | Refrigeration system condenser arrangement |
| US3314246A (en) * | 1965-10-22 | 1967-04-18 | Borg Warner | Capacity control for refrigeration systems |
| US3841393A (en) * | 1973-09-04 | 1974-10-15 | Lennox Ind Inc | Air conditioning apparatus |
| US3837175A (en) * | 1973-10-09 | 1974-09-24 | Refco Inc | Refrigeration system having improved heat transfer and reduced power requirements |
| US3918268A (en) * | 1974-01-23 | 1975-11-11 | Halstead Ind Inc | Heat pump with frost-free outdoor coil |
| US3995446A (en) * | 1975-07-14 | 1976-12-07 | Eubank Marcus P | Reverse air cycle air conditioner |
| US4196595A (en) * | 1976-01-29 | 1980-04-08 | Dunham-Bush, Inc. | Integrated thermal solar heat pump system |
| US4100763A (en) * | 1976-06-21 | 1978-07-18 | International Telephone & Telegraph Corporation | Multi-source heat pump HVAC system |
| US4099553A (en) * | 1977-02-11 | 1978-07-11 | Lennox Industries, Inc. | Variable air volume system |
| US4300623A (en) * | 1978-10-10 | 1981-11-17 | Milton Meckler | Integrated multi-duct dual-stage dual-cooling media air conditioning system |
| US4266599A (en) * | 1978-11-17 | 1981-05-12 | The Trane Company | Method and apparatus for controlling comfort conditions including setback |
| US4242872A (en) * | 1978-12-18 | 1981-01-06 | Dunham-Bush, Inc. | Attic mounted solar assist multi-source/sink residential heat pump system |
| US4304100A (en) * | 1979-09-24 | 1981-12-08 | Tyler Refrigeration Corporation | Energy saving refrigeration system with mechanical subcooling |
| US4437317A (en) * | 1982-02-26 | 1984-03-20 | Tyler Refrigeration Corporation | Head pressure maintenance for gas defrost |
| US4760707A (en) * | 1985-09-26 | 1988-08-02 | Carrier Corporation | Thermo-charger for multiplex air conditioning system |
| US4827733A (en) * | 1987-10-20 | 1989-05-09 | Dinh Company Inc. | Indirect evaporative cooling system |
| US5193352A (en) * | 1991-05-03 | 1993-03-16 | Amsted Industries, Inc. | Air pre-cooler method and apparatus |
| JP2977046B2 (en) * | 1992-11-27 | 1999-11-10 | 株式会社ジャパンエナジー | Ammonia refrigeration apparatus, working fluid composition used for the refrigeration apparatus, and method for lubricating ammonia compressor |
| EP0626443B1 (en) * | 1992-11-27 | 1999-01-27 | Japan Energy Corporation | Ammonia refrigerating unit, working fluid composition to be used in said unit, and lubrication of ammonia compressor |
| US5497629A (en) * | 1993-03-23 | 1996-03-12 | Store Heat And Produce Energy, Inc. | Heating and cooling systems incorporating thermal storage |
| SE505455C2 (en) * | 1993-12-22 | 1997-09-01 | Ericsson Telefon Ab L M | Cooling system for air with two parallel cooling circuits |
| US5673567A (en) * | 1995-11-17 | 1997-10-07 | Serge Dube | Refrigeration system with heat reclaim and method of operation |
| US6094925A (en) * | 1999-01-29 | 2000-08-01 | Delaware Capital Formation, Inc. | Crossover warm liquid defrost refrigeration system |
| US6684653B2 (en) | 2001-11-21 | 2004-02-03 | Nicholas H. Des Champs | Air-conditioner and air-to-air heat exchange for closed loop cooling |
| US7810353B2 (en) * | 2005-05-27 | 2010-10-12 | Purdue Research Foundation | Heat pump system with multi-stage compression |
| EP1938022A4 (en) * | 2005-10-18 | 2010-08-25 | Carrier Corp | Economized refrigerant vapor compression system for water heating |
| CN102216700B (en) * | 2008-11-11 | 2014-04-02 | 开利公司 | Heat pump system and method of operating |
| CN102461355B (en) | 2009-06-02 | 2016-09-21 | 施耐德电气It公司 | Container air handling unit and cooling means |
| US8539789B2 (en) | 2009-08-17 | 2013-09-24 | Johnson Controls Technology Company | Heat-pump chiller with improved heat recovery features |
| DE102009060860B4 (en) * | 2009-12-30 | 2024-06-27 | Konvekta Aktiengesellschaft | Air conditioning system for a vehicle and method for controlling the temperature |
| US8473080B2 (en) * | 2010-05-10 | 2013-06-25 | Johnson Controls Technology Company | Control of cooling towers for chilled fluid systems |
| US20120167610A1 (en) | 2010-12-30 | 2012-07-05 | Munters Corporation | Indirect air-side economizer for removing heat from enclosed spaces with high internal heat generation |
| US9055696B2 (en) | 2010-12-30 | 2015-06-09 | Munters Corporation | Systems for removing heat from enclosed spaces with high internal heat generation |
| CA2736085C (en) * | 2011-03-28 | 2013-05-14 | Fakieh Research & Development Center | Combined air conditioning and water generating system |
| US8689580B2 (en) * | 2011-03-30 | 2014-04-08 | Ness Lakdawala | Air conditioning/dehumidifying unit |
| US8881541B2 (en) | 2011-04-19 | 2014-11-11 | Liebert Corporation | Cooling system with tandem compressors and electronic expansion valve control |
| US9845981B2 (en) | 2011-04-19 | 2017-12-19 | Liebert Corporation | Load estimator for control of vapor compression cooling system with pumped refrigerant economization |
| US9140475B2 (en) | 2012-12-07 | 2015-09-22 | Liebert Corporation | Receiver tank purge in vapor compression cooling system with pumped refrigerant economization |
| US10317112B2 (en) * | 2014-04-04 | 2019-06-11 | Johnson Controls Technology Company | Heat pump system with multiple operating modes |
| US10254028B2 (en) | 2015-06-10 | 2019-04-09 | Vertiv Corporation | Cooling system with direct expansion and pumped refrigerant economization cooling |
-
2017
- 2017-01-11 US US15/403,792 patent/US10119730B2/en active Active
- 2017-01-18 EP EP17702248.0A patent/EP3417214A1/en not_active Ceased
- 2017-01-18 WO PCT/US2017/013882 patent/WO2017139072A1/en active Application Filing
- 2017-01-18 CN CN201780010082.XA patent/CN108603698B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101918776A (en) * | 2006-12-27 | 2010-12-15 | 开利公司 | Methods and systems for controlling an air conditioning system operating in free cooling mode |
| US20090229285A1 (en) * | 2008-03-13 | 2009-09-17 | Aisin Seiki Kabushiki Kaisha | Air conditioning system and accumulator thereof |
| CN102252371A (en) * | 2010-05-21 | 2011-11-23 | 力博特公司 | Computer room air conditioner with pre-cooler |
| CN103609206A (en) * | 2011-04-19 | 2014-02-26 | 力博特公司 | High efficiency cooling system |
| CN104813108A (en) * | 2012-10-05 | 2015-07-29 | 力博特公司 | Load estimator for control of vapor compression cooling system with pumped refrigerant economization |
Also Published As
| Publication number | Publication date |
|---|---|
| WO2017139072A1 (en) | 2017-08-17 |
| CN108603698B (en) | 2020-03-20 |
| US10119730B2 (en) | 2018-11-06 |
| US20170227259A1 (en) | 2017-08-10 |
| EP3417214A1 (en) | 2018-12-26 |
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